calibration-parametric

A pyHMT2D feature for adjusting model parameters to match observed data and for running systematic parameter variations. pyHMT2D is a tool for two-dimensional hydraulic and water-flow modelling.

In plain words
What is it for?
Use it to calibrate one or more model parameters, test local or global optimization methods, run batches of simulations, and collect and analyse their results.
Why use it?
It reduces the manual work of trying parameter values, comparing model results with observations, and repeating simulations.

Cursor rule for Cursor

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add rules/psu-efd/pyhmt2d/calibration-parametric
Clone the repo
git clone --depth 1 https://github.com/psu-efd/pyHMT2D

Made for: Cursor.

Per session 0 Nothing until a file matches its globs; then the whole rule loads.
When invoked 536 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00000 $0.00536
Opus 5 $0.00000 $0.00268
Sonnet 5 $0.00000 $0.00107
Haiku 4.5 $0.00000 $0.00054

Measured 3d ago against content hash 497ecfbe7193, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

calibration-parametric scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.cursor/rules/calibration-parametric.mdc · 106 lines

How it starts

The opening of the file, as written. The whole thing — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Calibration and Parametric Study

This rule covers the calibration and parametric study capabilities of pyHMT2D.

Model Calibration

Location: pyHMT2D/Calibration/

Features

  • Automatic calibration using scipy's optimize module
  • Support for both local and global optimization methods
  • Configurable through JSON configuration files
  • Support for multiple calibration parameters
  • Objective function customization

Usage Example

import pyHMT2D

# Create calibrator instance
my_calibrator = pyHMT2D.Calibration.Calibrator("calibration.json")

# Run calibration
my_calibrator.calibrate()

Configuration File Format

{
    "model_type": "SRH-2D",
    "parameters": {
        "manning_n": {
            "initial": 0.03,
            "min": 0.01,
            "max": 0.1
        }
    },
    "objective_function": {
        "type": "rmse",
        "observed_data": "path/to/observed.csv"
    }
}

Parametric Study

Location: pyHMT2D/Parametric_Study/

Features

  • Systematic parameter variation
  • Batch simulation management
  • Result collection and analysis
  • Support for multiple parameters
  • Parallel execution support

Usage Example

import pyHMT2D

# Create parametric study instance
my_study = pyHMT2D.Parametric_Study.ParametricStudy("study_config.json")

# Run study
my_study.run()

Study Types

  1. Single Parameter Studies

    • Vary one parameter while keeping others constant
    • Useful for sensitivity analysis
  2. Multi-Parameter Studies

    • Full factorial designs
    • Latin Hypercube sampling
    • Custom parameter combinations
  3. Monte Carlo Studies

    • Random parameter sampling
    • Statistical analysis of results
    • Uncertainty quantification

Result Analysis

Common analysis tools for both calibration and parametric studies:

  1. Statistical Analysis

    • Mean, standard deviation
    • Confidence intervals
    • Sensitivity indices
  2. Visualization

    • Parameter-response plots
    • Contour plots
    • Time series analysis

Read the full file on GitHub · 106 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 106 lines · 0 tokens per session scan A 497ecfbe7193

Subscribe to this mod's changes

calibration-parametric is a cursor rule published in the GitHub repository psu-efd/pyHMT2D (128 stars, last pushed 24d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 536 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.